12478739

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{569}}^1$

素因数の和:830

約数の個数: 16

約数和(自身を含む): 15449280

約数和(自身を除く): 2970541

約数列:

[1, 7, 13, 91, 241, 569, 1687, 3133, 3983, 7397, 21931, 51779, 137129, 959903, 1782677, 12478739]

約数ペア:

[(1, 12478739), (7, 1782677), (13, 959903), (91, 137129), (241, 51779), (569, 21931), (1687, 7397), (3133, 3983)]